<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 17 August 2015 at 19:46, Jan Darowski <span dir="ltr"><<a href="mailto:jan.darowski@gmail.com" target="_blank">jan.darowski@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">> I think that currently first_stop is being calculated for each stop (so<br>
> isn't actually first_stop) rather than just the first.  That's what it<br>
> looked like from my limited running under gdb with a break every time<br>
> first_stop is calculated, and printing the depth variable.<br>
><br>
> To calculate the first stop for every cva iteration we need to be more<br>
> clever than what my patch does, but I'm not sure you'll get a very different<br>
> resulting plan. From my understanding, cva is significant for short deco /<br>
> no deco dives, whereas Boyle's law compensation is significant for long deco<br>
> dives.<br>
<br>
</span>I can't reproduce this. I've checked, there are only two places setting this<br>
variable, the only place it's used is passing it to the boyles_law().<br>
Printing it<br>
there gives the same value several times...<br></blockquote><div><br></div><div>My bad - I read the code incorrectly and the examples I tested gave the impression that it was run at every stop because there were 3m depth difference between the depth variable at the breakpoints.<br><br>Your explanation is correct - it was the different CVA iterations calculating different first stop depths.  E.g. gdb output for a  dive to 45m for 20min, breathing 18/45, with 50% and 100% deco gasses and zero conservatism:<br><br>






<div>
<span style="font-family:monospace"><span style="color:#000000;background-color:#ffffff">Breakpoint 1, plan (diveplan=0xad85d0, cached_datap=0x7fffffffcee8, is_planner=true, show_disclaimer=false) at /home/rick/src/subsurface/planner.c:1210
</span><br>1210                                                    first_stop_pressure = depth_to_mbar(depth, &displayed_dive);
<br>(gdb) p depth
<br>$40 = 18000
<br>(gdb) c
<br>Continuing.
<br>
<br>Breakpoint 1, plan (diveplan=0xad85d0, cached_datap=0x7fffffffcee8, is_planner=true, show_disclaimer=false) at /home/rick/src/subsurface/planner.c:1210
<br>1210                                                    first_stop_pressure = depth_to_mbar(depth, &displayed_dive);
<br>(gdb) p depth
<br>$41 = 15000
<br>(gdb) c
<br>Continuing.
<br>
<br>Breakpoint 1, plan (diveplan=0xad85d0, cached_datap=0x7fffffffcee8, is_planner=true, show_disclaimer=false) at /home/rick/src/subsurface/planner.c:1210
<br>1210                                                    first_stop_pressure = depth_to_mbar(depth, &displayed_dive);
<br>(gdb) p depth
<br>$42 = 12000
<br>(gdb) c
<br>Continuing.
<br>
<br>Breakpoint 1, plan (diveplan=0xad85d0, cached_datap=0x7fffffffcee8, is_planner=true, show_disclaimer=false) at /home/rick/src/subsurface/planner.c:1210
<br>1210                                                    first_stop_pressure = depth_to_mbar(depth, &displayed_dive);
<br>(gdb) p depth
<br>$43 = 12000
<br>(gdb) c
<br>Continuing.
<br>
<br>Breakpoint 1, plan (diveplan=0xad85d0, cached_datap=0x7fffffffcee8, is_planner=true, show_disclaimer=false) at /home/rick/src/subsurface/planner.c:1210
<br>1210                                                    first_stop_pressure = depth_to_mbar(depth, &displayed_dive);
<br>(gdb) p depth
<br>$44 = 12000
<br>(gdb) c
<br>Continuing.
<br><br></span></div>


<br>
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<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">depth</span></p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">duration</span></p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">runtime</span></p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">gas</span></p></td></tr></thead>
<tbody><tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">45m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-weight:600;color:#ff0000">(18/45)</span></p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">45m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">18min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">20min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">21m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">23min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-weight:600;color:#ff0000">EAN50</span></p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">12m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">1min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">24min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">9m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">26min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">6m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">28min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-weight:600;color:#ff0000">oxygen</span></p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">5min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">33min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">0m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">0min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">33min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr></tbody></table><br></div><div>The problem remains with different profiles being calculated when compared to other programs.  The same dive in the Fortran VPM-B program:<br> <span style="font-family:monospace,monospace">                         DECOMPRESSION CALCULATION PROGRAM<br>                        Developed in FORTRAN by Erik C. Baker<br> <br> <br> <br>Description:    TRIMIX DIVE TO 45 MSW                                                 <br> <br>Gasmix Summary:                        FO2    FHe    FN2<br>                          Gasmix # 1  0.180  0.450  0.370<br>                          Gasmix # 2  0.500  0.000  0.500<br>                          Gasmix # 3  1.000  0.000  0.000<br> <br> <br>                                    DIVE PROFILE<br> <br>Seg-  Segm.  Run   | Gasmix | Ascent    From     To      Rate    | Constant<br>ment  Time   Time  |  Used  |   or     Depth   Depth    +Dn/-Up  |  Depth<br>  #   (min)  (min) |    #   | Descent  (mswg)  (mswg)  (msw/min) |  (mswg)<br>----- -----  ----- | ------ | -------  ------  ------  --------- | --------<br>  1     2.5    2.5 |    1   | Descent     0.     45.      18.0   |<br>  2    17.5   20.0 |    1   |                                    |    45.<br> <br> <br>                               DECOMPRESSION PROFILE<br> <br>          Leading compartment enters the decompression zone at   33.9 mswg<br>                 Deepest possible decompression stop is   33.0 mswg<br> <br>Seg-  Segm.  Run   | Gasmix | Ascent   Ascent   Col   |  DECO   STOP   RUN<br>ment  Time   Time  |  Used  |   To      Rate    Not   |  STOP   TIME   TIME<br>  #   (min)  (min) |    #   | (mswg) (msw/min)  Used  | (mswg)  (min)  (min)<br>----- -----  ----- | ------ | ------ --------- ------ | ------  -----  -----<br>  3     3.0   23.0 |    1   |   18.     -9.0          |<br>  4     1.0   24.0 |    2   |                         |    18      2     24<br>  5     0.3   24.3 |    2   |   15.     -9.0          |<br>  6     0.7   25.0 |    2   |                         |    15      1     25<br>  7     0.3   25.3 |    2   |   12.     -9.0          |<br>  8     0.7   26.0 |    2   |                         |    12      1     26<br>  9     0.3   26.3 |    2   |    9.     -9.0          |<br> 10     1.7   28.0 |    2   |                         |     9      2     28<br> 11     0.3   28.3 |    2   |    6.     -9.0          |<br> 12     2.7   31.0 |    3   |                         |     6      3     31<br> 13     0.3   31.3 |    3   |    3.     -9.0          |<br> 14     4.7   36.0 |    3   |                         |     3      5     36<br> 15     0.3   36.3 |    3   |    0.     -9.0          |</span><br> <br></div><div>That's 13 minutes vs 16 minutes deco, or roughly 25% difference in deco time.<br><br>For a longer dive, 60 m for 30 min, it's 43 vs 49 min (14%)<br>
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<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">depth</span></p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">duration</span></p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">runtime</span></p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px" align="center"><span style="font-weight:600">gas</span></p></td></tr></thead>
<tbody><tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">60m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-weight:600;color:#ff0000">(18/45)</span></p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">60m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">27min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">30min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">30m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">4min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">34min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">27m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">36min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">24m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">38min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">21m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">40min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-weight:600;color:#ff0000">EAN50</span></p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">18m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">42min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">15m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">45min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">12m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">4min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">49min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">9m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">5min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">54min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">6m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">6min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">60min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-weight:600;color:#ff0000">oxygen</span></p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">13min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">73min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr>
<tr>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">0m</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">0min</p></td>
<td style="padding-left:10">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">73min</p></td>
<td>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p></td></tr></tbody></table></div><div><br><span style="font-family:monospace,monospace">                          DECOMPRESSION CALCULATION PROGRAM<br>                        Developed in FORTRAN by Erik C. Baker<br> <br> <br> <br>Description:    TRIMIX DIVE TO 60 MSW                                                 <br> <br>Gasmix Summary:                        FO2    FHe    FN2<br>                          Gasmix # 1  0.180  0.450  0.370<br>                          Gasmix # 2  0.500  0.000  0.500<br>                          Gasmix # 3  1.000  0.000  0.000<br> <br> <br>                                    DIVE PROFILE<br> <br>Seg-  Segm.  Run   | Gasmix | Ascent    From     To      Rate    | Constant<br>ment  Time   Time  |  Used  |   or     Depth   Depth    +Dn/-Up  |  Depth<br>  #   (min)  (min) |    #   | Descent  (mswg)  (mswg)  (msw/min) |  (mswg)<br>----- -----  ----- | ------ | -------  ------  ------  --------- | --------<br>  1     3.3    3.3 |    1   | Descent     0.     60.      18.0   |<br>  2    26.7   30.0 |    1   |                                    |    60.<br> <br> <br>                               DECOMPRESSION PROFILE<br> <br>          Leading compartment enters the decompression zone at   46.0 mswg<br>                 Deepest possible decompression stop is   45.0 mswg<br> <br>Seg-  Segm.  Run   | Gasmix | Ascent   Ascent   Col   |  DECO   STOP   RUN<br>ment  Time   Time  |  Used  |   To      Rate    Not   |  STOP   TIME   TIME<br>  #   (min)  (min) |    #   | (mswg) (msw/min)  Used  | (mswg)  (min)  (min)<br>----- -----  ----- | ------ | ------ --------- ------ | ------  -----  -----<br>  3     2.7   32.7 |    1   |   36.     -9.0          |<br>  4     0.3   33.0 |    1   |                         |    36      1     33<br>  5     0.3   33.3 |    1   |   33.     -9.0          |<br>  6     0.7   34.0 |    1   |                         |    33      1     34<br>  7     0.3   34.3 |    1   |   30.     -9.0          |<br>  8     0.7   35.0 |    1   |                         |    30      1     35<br>  9     0.3   35.3 |    1   |   27.     -9.0          |<br> 10     1.7   37.0 |    1   |                         |    27      2     37<br> 11     0.3   37.3 |    1   |   24.     -9.0          |<br> 12     2.7   40.0 |    1   |                         |    24      3     40<br> 13     0.3   40.3 |    1   |   21.     -9.0          |<br> 14     1.7   42.0 |    2   |                         |    21      2     42<br> 15     0.3   42.3 |    2   |   18.     -9.0          |<br> 16     1.7   44.0 |    2   |                         |    18      2     44<br> 17     0.3   44.3 |    2   |   15.     -9.0          |<br> 18     2.7   47.0 |    2   |                         |    15      3     47<br> 19     0.3   47.3 |    2   |   12.     -9.0          |<br> 20     4.7   52.0 |    2   |                         |    12      5     52<br> 21     0.3   52.3 |    2   |    9.     -9.0          |<br> 22     5.7   58.0 |    2   |                         |     9      6     58<br> 23     0.3   58.3 |    2   |    6.     -9.0          |<br> 24     7.7   66.0 |    3   |                         |     6      8     66<br> 25     0.3   66.3 |    3   |    3.     -9.0          |<br> 26    12.7   79.0 |    3   |                         |     3     13     79<br> 27     0.3   79.3 |    3   |    0.     -9.0          |</span><br><br></div></div>Cheers,<br><br></div><div class="gmail_extra">Rick<br></div></div>